23438897 has 2 divisors, whose sum is σ = 23438898. Its totient is φ = 23438896.

The previous prime is 23438893. The next prime is 23438917. The reversal of 23438897 is 79883432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12967201 + 10471696 = 3601^2 + 3236^2 .

It is a cyclic number.

It is not a de Polignac number, because 23438897 - 2² = 23438893 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23438893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11719448 + 11719449.

It is an arithmetic number, because the mean of its divisors is an integer number (11719449).

Almost surely, 2^23438897 is an apocalyptic number.

It is an amenable number.

23438897 is a deficient number, since it is larger than the sum of its proper divisors (1).

23438897 is an equidigital number, since it uses as much as digits as its factorization.

23438897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 44.

The square root of 23438897 is about 4841.3734621489. The cubic root of 23438897 is about 286.1842464482.

The spelling of 23438897 in words is "twenty-three million, four hundred thirty-eight thousand, eight hundred ninety-seven".